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ANC24LA048

2024-05-31 · Bethel, Alaska, United States · None · 1 aircraft · Status: Completed

Airport BET

Current FAA registration · N299C

Make / Model
STINSON 108-2
Year of manufacture
1947 · 77 years old at event
Engine
FRANKLIN 6A4165 SERIES (165 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19551130
ADS-B equipped
Yes — Mode-S A3171B

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The uncertificated pilot’s decision to fly an unairworthy airplane and his failure to maintain directional control during landing, which resulted in a landing gear collapse. Contributing was the failure of the right main landing gear oleo strut.

Factual narrative

The uncertificated pilot reported that while on a cross-country flight in his tailwheel-equipped airplane, he stopped along the way for fuel, and during that landing, he noticed that the right main landing gear felt “mushy.” However, he elected to depart and continue the flight to the destination airport. While landing on the dry, paved runway, which required a correction for strong, gusting crosswind conditions, the left main landing gear wheel touched down first, then the right main landing gear wheel touched down. The pilot said as the weight of the airplane transferred to the right main landing gear, the right oleo strut “mushed out.” The airplane subsequently ground looped to the left, and the right main landing gear collapsed. The airplane sustained substantial damage to the right wing and fuselage. The pilot reported that before leaving on the accident flight, he had observed red fluid leaking from the right landing gear oleo strut assembly, and that the airplane had not flown for most of the year. A review of maintenance records revealed the last annual inspection of the airplane was nine years prior to the accident. According to FAA records, the pilot did not possess a pilot’s certificate. Other than the leaking oleo strut, the pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

FAA avdata. C = Cause, F = Factor.

  • — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
  • — Aircraft-Aircraft systems-Landing gear system-Nose/tail gear strut/axle-Failure
  • — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained
  • — Personnel issues-Task performance-Maintenance-Scheduled/routine maintenance-Owner/builder
  • — Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot

Verbatim from NTSB's published report. Source file NTSB_2024_ANC24LA048.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

Matched on aircraft type or causal vocabulary (maintenance). All research papers